realtek has 2 CVEs on record between 2021 and 2025. The median CVSS is 7.7 (high).

CVEs per month

Last 12 months, by publish date

1125/111225/120126/010226/020326/030426/040526/050626/060726/070826/080926/091026/10

Exploited share: 0% vs 1% corpus
Median CVSS: 7.7
Publish → KEV: —
Last 90 days: 0 prev 0

Weakness classes

Products

hda_driver 1
wi-fi_usb_driver 1

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Total CVEs

Critical

CISA KEV

Exploited

Worst active — by depth score

CVE-2025-8299High· 8.8Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability73
CVE-2021-32537Medium· 6.5Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode48

realtek vulnerabilities

CVEs affecting realtek, newest first. Open any entry for full detail, references, and exploit status.

2 CVEsRSS

CVE-2025-8299High· 8.80day

1y ago

Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability

Realtek rtl81xx SDK Wi-Fi Driver MgntActSet_TEREDO_SET_RS_PACKET Heap-based Buffer Overflow Local Privilege Escalation Vulnerability. This vulnerability allows local attackers to escalate privileges on affected installations of Realtek r…

▾ Abyssalrealtek · wi-fi_usb_driverEPSS 0.15%via NVD

CVE-2021-32537Medium· 6.5PoC

5y ago

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode

Realtek HAD contains a driver crashed vulnerability which allows local side attackers to send a special string to the kernel driver in a user’s mode. Due to unexpected commands, the kernel driver will cause the system crashed.

▾ Twilightrealtek · hda_driverEPSS 0.44%via NVD